package com.shop.idao;

import java.util.List;
import com.shop.model.ProductType;

public interface IProductTypeDao {
	public void addProductType(ProductType productType);

	public void deleteProductType(ProductType productType);

	public void modifyProductType(ProductType productType);

	public List<ProductType> queryProductType();

	public ProductType queryProductTypeById(int product_type_id);
}